To Modify Section Dimensions
You can change the dimensions of planar cross sections.
• Right-click a cross section on the Model Tree and click Edit Definition. The Section tab opens and the section dimensions appear. Modify the dimensions as needed and middle-click.
• To modify the section dimensions using the View Manager perform the following steps:
a. On the View tab, click the arrow next to 
Manage Views and then click View Manager. The View Manager dialog box opens.
Manage Views and then click View Manager. The View Manager dialog box opens.b. Click Sections.
c. In the Names column, click the cross section you want to modify.
d. Click > . The Section tab opens and the section dimensions appear.
e. Modify the dimensions as needed and middle-click.